Light stick



FIG. 1 is a perspective view of the light stick;

FIG. 2 is a top plan view of the light stick as shown in FIG. 1;

FIG. 3 is bottom plan view of the light stick as shown in FIG. 1;

FIG. 4 is a first side elevational view of the light stick as shown in FIG. 1; and,

FIG. 5 is a second side elevational view of the light stick as shown in FIG. 1, taken 90° apart from the side elevational view of FIG. 4. 

The ornamental design for a light stick, as shown and described. 